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vuln-cve/data/2026/89xxx/CVE-2026-89209.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-89209",
"assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
"state": "PUBLISHED",
"assignerShortName": "siemens",
"dateReserved": "2026-09-11T07:45:20.919Z",
"datePublished": "2026-10-26T10:41:01.088Z",
"dateUpdated": "2026-10-31T01:13:36.246Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
"shortName": "siemens",
"dateUpdated": "2026-10-26T10:41:01.088Z"
},
"descriptions": [
{
"lang": "en",
"value": "A vulnerability has been identified in Mendix SAML (Mendix 10 compatible) (All versions < V4.2.4), Mendix SAML (Mendix 11 compatible) (All versions < V4.2.4), Mendix SAML (Mendix 9 compatible) (All versions < V3.6.29). Affected versions of the module do not properly protect against SAML assertion replay in IdP-initiated authentication flows. This could allow unauthenticated remote attackers to gain unauthorized access to the application by replaying a valid SAML response."
}
],
"affected": [
{
"vendor": "Siemens",
"product": "Mendix SAML (Mendix 10 compatible)",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "V4.2.4",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "Mendix SAML (Mendix 11 compatible)",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "V4.2.4",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "Mendix SAML (Mendix 9 compatible)",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "V3.6.29",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
}
],
"metrics": [
{
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
"baseScore": 6.8,
"baseSeverity": "MEDIUM"
}
},
{
"cvssV4_0": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
"baseScore": 7.6,
"baseSeverity": "HIGH"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-294",
"description": "CWE-294: Authentication Bypass by Capture-replay",
"type": "CWE"
}
]
}
],
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-137528.html"
}
]
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-10-31T01:13:25.336574Z",
"id": "CVE-2026-89209",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-10-31T01:13:36.246Z"
}
}
]
}
}